DOC: fix broken link in user guide.  Closes gh-6906.
DOC: fix broken link in user guide.  Closes gh-6906.

[ci skip]

grlee77/numpy,kiwifb/numpy,mattip/numpy,ESSS/numpy,charris/numpy,stuarteberg/numpy,tynn/numpy,grlee77/numpy,WarrenWeckesser/numpy,bertrand-l/numpy,mattip/numpy,stuarteberg/numpy,utke1/numpy,gmcastil/numpy,nbeaver/numpy,behzadnouri/numpy,pdebuyl/numpy,numpy/numpy,endolith/numpy,jakirkham/numpy,shoyer/numpy,jakirkham/numpy,rgommers/numpy,chatcannon/numpy,drasmuss/numpy,drasmuss/numpy,utke1/numpy,dwillmer/numpy,charris/numpy,simongibbons/numpy,pdebuyl/numpy,seberg/numpy,jakirkham/numpy,Dapid/numpy,ahaldane/numpy,kiwifb/numpy,gfyoung/numpy,numpy/numpy,abalkin/numpy,bertrand-l/numpy,rgommers/numpy,madphysicist/numpy,chatcannon/numpy,ContinuumIO/numpy,Eric89GXL/numpy,WarrenWeckesser/numpy,bringingheavendown/numpy,tacaswell/numpy,rgommers/numpy,jorisvandenbossche/numpy,solarjoe/numpy,Eric89GXL/numpy,grlee77/numpy,simongibbons/numpy,chiffa/numpy,ddasilva/numpy,Dapid/numpy,argriffing/numpy,bringingheavendown/numpy,joferkington/numpy,SiccarPoint/numpy,gfyoung/numpy,ContinuumIO/numpy,pdebuyl/numpy,jorisvandenbossche/numpy,charris/numpy,bertrand-l/numpy,nbeaver/numpy,rgommers/numpy,stuarteberg/numpy,abalkin/numpy,ahaldane/numpy,bringingheavendown/numpy,pizzathief/numpy,ContinuumIO/numpy,ssanderson/numpy,anntzer/numpy,joferkington/numpy,ahaldane/numpy,SiccarPoint/numpy,mhvk/numpy,endolith/numpy,pbrod/numpy,kiwifb/numpy,pbrod/numpy,jakirkham/numpy,madphysicist/numpy,maniteja123/numpy,drasmuss/numpy,jonathanunderwood/numpy,anntzer/numpy,njase/numpy,gmcastil/numpy,chiffa/numpy,numpy/numpy,WarrenWeckesser/numpy,grlee77/numpy,dwillmer/numpy,gfyoung/numpy,grlee77/numpy,ESSS/numpy,WarrenWeckesser/numpy,pbrod/numpy,behzadnouri/numpy,Eric89GXL/numpy,behzadnouri/numpy,jonathanunderwood/numpy,AustereCuriosity/numpy,pizzathief/numpy,MSeifert04/numpy,Dapid/numpy,anntzer/numpy,shoyer/numpy,mwiebe/numpy,SiccarPoint/numpy,njase/numpy,b-carter/numpy,argriffing/numpy,ddasilva/numpy,njase/numpy,mhvk/numpy,AustereCuriosity/numpy,pbrod/numpy,b-carter/numpy,seberg/numpy,MSeifert04/numpy,dwillmer/numpy,simongibbons/numpy,shoyer/numpy,solarjoe/numpy,tynn/numpy,numpy/numpy,madphysicist/numpy,madphysicist/numpy,shoyer/numpy,tacaswell/numpy,mhvk/numpy,jorisvandenbossche/numpy,mwiebe/numpy,pizzathief/numpy,rherault-insa/numpy,shoyer/numpy,abalkin/numpy,maniteja123/numpy,endolith/numpy,skwbc/numpy,simongibbons/numpy,skwbc/numpy,ddasilva/numpy,joferkington/numpy,MSeifert04/numpy,MSeifert04/numpy,chatcannon/numpy,tynn/numpy,ssanderson/numpy,anntzer/numpy,pizzathief/numpy,mattip/numpy,WarrenWeckesser/numpy,ahaldane/numpy,gmcastil/numpy,pbrod/numpy,SiccarPoint/numpy,ssanderson/numpy,simongibbons/numpy,Eric89GXL/numpy,jorisvandenbossche/numpy,argriffing/numpy,nbeaver/numpy,jonathanunderwood/numpy,rherault-insa/numpy,AustereCuriosity/numpy,rherault-insa/numpy,dwillmer/numpy,joferkington/numpy,mwiebe/numpy,mhvk/numpy,chiffa/numpy,jorisvandenbossche/numpy,utke1/numpy,madphysicist/numpy,skwbc/numpy,charris/numpy,mhvk/numpy,seberg/numpy,mattip/numpy,solarjoe/numpy,ESSS/numpy,tacaswell/numpy,jakirkham/numpy,pdebuyl/numpy,pizzathief/numpy,maniteja123/numpy,seberg/numpy,MSeifert04/numpy,ahaldane/numpy,endolith/numpy,b-carter/numpy,stuarteberg/numpy